Implement distributed training using horovod #1865
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My PR seems to be unregarded since I made it in May. If you are interested in it I would try to get my PR able to merge again. Otherwise feel free to close this PR. |
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I implemented distributed training using Horovod similar to the one that made it already into DeepSpeech.
I already opened a discussion #1849 a while ago if this feature is wanted by you but there isn't any answer, yet.
I tried to keep the changes as minimal as possible. It is still possible to run your undistributed code version. However I also noticed a slightly performance improvement by using Horovod on one of our IBM machines with 6 V100 cards.
I didn't added any CI because I don't have any knowledge of it.
If you need any help with Horovod don't hesitate to ask.